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Title:
UNDERGROUND STRUCTURE, AND METHOD OF RECONSTRUCTING BUILDING STRUCTURE WITH UNDERGROUND SKELETON
Document Type and Number:
Japanese Patent JP2015055106
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To make a cast-in-place concrete pile larger in diameter and lower in cost, and to facilitate construction when suppressing floating of an existing pressure board and occurrence of a board swelling phenomenon by installing the cast-in-place concrete pile for reconstruction of a building having an underground skeleton.SOLUTION: There is provided an underground structure for reconstruction of a building having an underground skeleton, the underground structure including: an existing pressure board 22 which is not disassembled and left under the ground; a newly-constructed cast-in-place concrete pile 40 constructed to penetrate the existing pressure board 22; a steel pipe 42 buried in a head part of the newly-constructed cast-in-place concrete pile 40 so as to protrude from a through hole of the existing pressure board 22; and a flange part 46 which projects from the steel pipe 42 to an external-diameter side to engage the existing pressure board 22 from above.

Inventors:
INABA YOSHIAKI
Application Number:
JP2013189273A
Publication Date:
March 23, 2015
Filing Date:
September 12, 2013
Export Citation:
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Assignee:
OHBAYASHI CORP
International Classes:
E02D31/12; E02D5/38
Domestic Patent References:
JP2007177410A2007-07-12
JPS57105340U1982-06-29
JP2003129498A2003-05-08
Foreign References:
US6012874A2000-01-11
Attorney, Agent or Firm:
All international patent business corporation